Screening for COVID-19: Patient factors predicting positive PCR test.
Douglas W ChallenerGregory J ChallenerVanessa J Gow-LeeMadiha FidaAditya S ShahJohn C O'HoroPublished in: Infection control and hospital epidemiology (2020)
To inform the efficient allocation of testing resources, we evaluated the characteristics of those tested for COVID-19 to determine predictors of a positive test. Recent travel and exposure to a confirmed case were both highly predictive of positive testing. Symptom-based screening strategies alone may be inadequate to control the ongoing pandemic.